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2016 Severe Weather Thread


downeastnc

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The lack of lift right now is what is killing these small thunderstorms in WNC.  Need some strong lift to get the ball rolling. Cape slowly climbing to 1500 across Western and Central NC I wont be surprised to see 2000 cape in some areas with 50knt shear as well..... Just missing the catalyst right now.

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mcd0536.gif

MESOSCALE DISCUSSION 0536   NWS STORM PREDICTION CENTER NORMAN OK   1257 PM CDT TUE MAY 03 2016   AREAS AFFECTED...SRN VA...WRN AND CNTRL NC...NRN SC   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE    VALID 031757Z - 032030Z   PROBABILITY OF WATCH ISSUANCE...40 PERCENT   SUMMARY...AN ISOLATED THREAT FOR WIND DAMAGE AND HAIL WILL LIKELY   DEVELOP FROM NRN SC NWD INTO SRN VA OVER THE NEXT FEW HOURS. WW   ISSUANCE WILL BE POSSIBLE ACROSS THE REGION THIS AFTERNOON.   DISCUSSION...THE LATEST SFC ANALYSIS SHOWS A LEE TROUGH EXTENDING   FROM CNTRL VA SSWWD ACROSS WCNTRL NC INTO NWRN SC. SFC DEWPOINTS   ALONG AND TO THE EAST OF THE SFC TROUGH ARE GENERALLY IN THE MID 60S   TO NEAR 70 F. AN AXIS OF STEEP LOW-LEVEL LAPSE RATES HAS DEVELOPED   ON THE WRN EDGE OF LOW-LEVEL MOISTURE ALONG WHICH THUNDERSTORMS HAVE   RECENTLY INITIATED. THIS ACTIVITY SHOULD GRADUALLY INCREASE IN   COVERAGE AND MOVE EWD ACROSS WRN NC AND NRN SC OVER THE NEXT FEW   HOURS. REGIONAL WSR-88D VWPS ALONG THIS CORRIDOR SHOW MODERATE   DEEP-LAYER SHEAR PROFILES SUGGESTING STORM ROTATION MAY OCCUR WITH   THE STRONGER CELLS. AS DESTABILIZATION CONTINUES THIS AFTERNOON AND   AS THE STORMS MOVE EWD INTO HIGHER SFC DEWPOINTS...THE POTENTIAL FOR   SEVERE STORMS WILL GRADUALLY INCREASE. WIND DAMAGE AND HAIL WILL BE   THE PRIMARY THREATS ESPECIALLY ACROSS NRN SC AND WCNTRL NC WHERE   INSTABILITY IS MAXIMIZED. FURTHER NORTH ACROSS SRN VA...THE SEVERE   THREAT IS EXPECTED TO REMAIN MARGINAL DUE TO LESS INSTABILITY.   ..BROYLES/THOMPSON.. 05/03/2016
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Mize Maze from WRAL said on Facebook it looks like the atmosphere is recovering...storms to the west should move in late this afternoon.

The sky has healed! Where's Wilkesdud when you need him?
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250 PM EDT TUE MAY 3 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

EXTREME EAST CENTRAL GEORGIA

CENTRAL NORTH CAROLINA

CENTRAL AND NORTHEAST SOUTH CAROLINA

COASTAL WATERS

* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 250 PM UNTIL

900 PM EDT.

* PRIMARY THREATS INCLUDE...

SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

SUMMARY...SCATTERED THUNDERSTORM DEVELOPMENT IS EXPECTED THIS

AFTERNOON FROM EAST OF THE BLUE RIDGE INTO CENTRAL NORTH

CAROLINA...AS WELL AS SOUTHWARD INTO CENTRAL SOUTH CAROLINA. THE

STORM ENVIRONMENT WILL GRADUALLY BECOME MORE FAVORABLE FOR

SUPERCELLS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING

GUSTS...ALONG WITH SOME CELL MERGERS AND LINE SEGMENT DEVELOPMENT

LATER THIS AFTERNOON AND EVENING AS STORMS SPREAD EASTWARD.

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Looks like the leeside trough is firing , the sun getting out in central and eastern NC should just be enough to keep it going as it heads east.....scape of 1500 and mcape of 1000 should be plenty with 40-50 knts of shear....not sure we see severe here in the east its just now getting good and sunny

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Looks like the leeside trough is firing , the sun getting out in central and eastern NC should just be enough to keep it going as it heads east.....scape of 1500 and mcape of 1000 should be plenty with 40-50 knts of shear....not sure we see severe hear in the east its just now getting good and sunny

Yepp that line is knitting together nicely

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Here's what the radar looks like before the start of our 4PM news. Our cold front is moving through the Foothills and ahead of it some showers and storms have formed. Since we had all that cloud cover and rain this morning, the atmosphere has recovered some and has become unstable but it may not be enough to develop thunderstorms on a widespread basis like yesterday afternoon. I will be cautiously optimistic and say the activity may not affect as many areas as what we saw on Monday. The threat will end by mid-evening but still should be some showers through at least midnight.

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So our Southern Friends don't feel neglected... :)

 

ww0141_overview_wou.gif

THE NWS STORM PREDICTION CENTER HAS ISSUED A   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF      PARTS OF THE EASTERN FLORIDA PANHANDLE     SOUTH CENTRAL AND SOUTHEAST GEORGIA     SOUTHERN SOUTH CAROLINA     COASTAL WATERS   * EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 405 PM UNTIL     1000 PM EDT.   * PRIMARY THREATS INCLUDE...     ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE     ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE   SUMMARY...SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH   THE AFTERNOON FROM FLORIDA ACROSS SOUTHEAST GEORGIA INTO SOUTH   CAROLINA.  A FEW OF THE STORMS WILL BE CAPABLE OF PRODUCING LARGE   HAIL AND DAMAGING GUSTS FOR THE REMAINDER OF THE AFTERNOON INTO THIS   EVENING.
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Further East...

< Previous MD mcd0539.gif
   MESOSCALE DISCUSSION 0539   NWS STORM PREDICTION CENTER NORMAN OK   0458 PM CDT TUE MAY 03 2016   AREAS AFFECTED...SERN VA / NERN AND ERN NC   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE    VALID 032158Z - 032300Z   PROBABILITY OF WATCH ISSUANCE...60 PERCENT   SUMMARY...WIDELY SCATTERED STORMS CAPABLE OF ISOLATED LARGE HAIL AND   DAMAGING GUSTS /50-65 MPH/ WILL BE POSSIBLE EARLY THIS EVENING.   DISCUSSION...21Z SUBJECTIVE SURFACE MESOANALYSIS PLACES A 1006-MB   LOW NEAR RIC WITH A COLD FRONT EXTENDING SWWD OVER THE WRN PART OF   THE CAROLINA PIEDMONT.  A MOISTURE AXIS EXTENDS FROM CAPE FEAR NWD   INTO SERN VA WITH MID-UPPER 60S DEWPOINTS AMIDST MID 70S TEMPS.    VISIBLE SATELLITE IMAGERY SHOWS THIS PORTION OF NC/VA HAS BEEN   LARGELY VOID OF CLOUD COVER WITH THE EXCEPTION OF A BUBBLING CU   FIELD.  AS AN UPPER TROUGH OVER THE OH VALLEY CONTINUES TO SLOWLY   PIVOT TOWARDS THE REGION...LARGE-SCALE FORCING FOR ASCENT WILL   BECOME MORE FAVORABLE FOR STORM DEVELOPMENT IN THE AREA.   OBJECTIVE ANALYSIS FIELDS SHOW THIS REGION OVER ERN NC/SERN VA HAS   BECOME WEAKLY TO MODERATELY UNSTABLE /500-1000 J PER KG MLCAPE/.    40-50 KT EFFECTIVE SHEAR WILL SUPPORT STORM ORGANIZATION...INCLUDING   THE POSSIBILITY FOR UPDRAFT ROTATION.  AS SUCH...THE THREAT FOR   ISOLATED LARGE HAIL AND DAMAGING GUSTS WILL LIKELY INCREASE EARLY   THIS EVENING AS STORM ACTIVITY PUSHES EWD THROUGH THE REGION.   ..SMITH/HART.. 05/03/2016
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Anyone see any kind of rotation on that Clayton cell? I was out taking a few pics, and suddenly a layer of very low clouds started rapidly heading in from the SE, while the main cloud motion was from the WNW.

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Anyone see any kind of rotation on that Clayton cell? I was out taking a few pics, and suddenly a layer of very low clouds started rapidly heading in from the SE, while the main cloud motion was from the WNW.

Looks like it went just north of my house. I'm still in downtown. Raleigh, not Wilkesboro. Two hails in two days. Not bad!

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No real wind with this storm so far ( same one that formed west of Greensboro like 5 hrs ago) but the lightning is flat out ridiculous. Would not be surprised to see some reports of house fires this thing is putting em down. Second cell firing behind it went from nothing to monster hail core might get hit again. 

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